"The Northern Industrial adjustable gantry crane is ideal for shops where level lifting is essential. Trolley and hoist not included. I-Beam Length ft. 7, Load Capacity lbs. 1,000, Product Type Adjustable height gantry crane, I-Beam to Ground in. 94 1/2-141 3/4, Crane L x W in. 94 1/2 x 47 1/4, Material Type Steel, I-Beam H x W in. 3 15/16 x 1/4. All-steel construction Adjusts from 8ft. 3.5in. to 12ft. 8in.H to accommodate low roofs or overhead beams 7ft. 10in. wide between vertical beams Ideal for maintenance, manufacturing, repairs, and other material-handling tasks Can go where forklifts often can't Lighter weight means that unit works well where there may be floor capacity restrictions Quick disassembly and assembly for easy transport within a job site or from site to site Super strong 3.5in. swivel casters help you easily move the unit Do not move while loaded"